Which organisms have pharyngeal arches that develop from all 3 germ layers and go through the same development stages as embryos

Germ Layers one of the three layers of the embryo, ectoderm, mesoderm, and endoderm, in triploblastic organisms, or the two layers, ectoderm and endoderm, in diploblastic organisms, generated by the process of gastrulation, that will form all of the tissues of the body except from the germ cells.

D: Snake

Explanation:

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

so whats the answer